Alert archive / Texas / Trinity County
Weather alerts in Trinity County, Texas, 2017
161 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Trinity County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 161
- Warnings
- 60
- Watches
- 17
- Advisories
- 29
- Busiest month
- April38 alerts
- Busiest day
- April 2, 201717 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Trinity County in 2017 had a tornado report inside them.
Trinity County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 29 | 8 | 72% | 2 | 100% | 22 min |
| Flash flood warnings | 9 | 2 | 78% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Houston/Galveston, TX: tornado warnings | 206 | 33 | 84% | 125 | 68% | 15 min |
| NWS Houston/Galveston, TX: severe thunderstorm warnings | 152 | 60 | 61% | 125 | 70% | 23 min |
| NWS Houston/Galveston, TX: flash flood warnings | 112 | 43 | 62% | 125 | 82% | 101 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 31, 9:59 PM CST | Dense Fog Advisory | HGX | 11 hr |
| Jan 2, 1:39 AM CST | Severe Thunderstorm Watch | SPC | 59 days |
| Jan 2, 5:34 AM CST | Special Weather Statement | HGX | 41 min |
| Jan 2, 5:35 AM CST | Mesoscale Discussion | SPC | 85 min |
| Jan 2, 6:59 AM CST | Severe Thunderstorm Warning | HGX | 61 min |
| Jan 2, 7:45 AM CST | Severe Thunderstorm Warning | HGX | 60 min |
| Jan 2, 7:48 AM CST | Mesoscale Discussion | SPC | 57 min |
| Jan 6, 11:20 AM CST | Hard Freeze Warning | HGX | 23 hr |
| Jan 7, 5:02 AM CST | Hard Freeze Warning | HGX | 28 hr |
| Jan 19, 6:54 AM CST | River Flood Warning | SHV | 5 days |
| Jan 21, 3:29 PM CST | Wind Advisory | HGX | 26 hr |
| Feb 14, 8:21 AM CST | Severe Thunderstorm Warning | HGX | 54 min |
| Feb 14, 8:58 AM CST | Severe Thunderstorm Warning | HGX | 47 min |
| Feb 20, 1:56 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 20, 3:24 AM CST | Severe Thunderstorm Warning | HGX | 36 min |
| Feb 20, 3:27 AM CST | Special Weather Statement | HGX | 48 min |
| Feb 20, 3:45 AM CST | Special Weather Statement | HGX | 30 min |
| Feb 20, 4:09 AM CST | Areal Flood Advisory | HGX | 3 hr |
| Feb 20, 4:34 AM CST | Special Weather Statement | HGX | 41 min |
| Feb 20, 6:28 AM CST | Special Weather Statement | HGX | 77 min |
| Feb 20, 7:40 AM CST | River Flood Warning | SHV | 4 days |
| Mar 10, 3:44 PM CST | Special Weather Statement | HGX | 46 min |
| Mar 10, 4:49 PM CST | Special Weather Statement | HGX | 26 min |
| Mar 18, 5:24 AM CDT | Dense Fog Advisory | HGX | 3 hr |
| Mar 19, 3:36 AM CDT | Dense Fog Advisory | HGX | 5 hr |
| Mar 24, 1:48 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 24, 6:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Mar 24, 7:07 PM CDT | Tornado Watch | SPC | 5 hr |
| Mar 24, 7:53 PM CDT | Severe Thunderstorm Warning | HGX | 52 min |
| Mar 24, 8:03 PM CDT | Tornado Warning | HGX | 42 min |
| Mar 24, 8:31 PM CDT | Severe Thunderstorm Warning | HGX | 44 min |
| Apr 1, 1:44 PM CDT | Flood Watch | HGX | 73 min |
| Apr 1, 2:57 PM CDT | Flash Flood Watch | HGX | 24 hr |
| Apr 2, 5:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 2, 6:00 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 2, 7:18 AM CDT | Severe Thunderstorm Warning | HGX | 27 min |
| Apr 2, 7:26 AM CDT | Severe Thunderstorm Warning | HGX | 34 min |
| Apr 2, 7:44 AM CDT | Severe Thunderstorm Warning | HGX | 31 min |
| Apr 2, 8:44 AM CDT | Tornado Warning | HGX | 31 min |
| Apr 2, 9:02 AM CDT | Special Weather Statement | HGX | 43 min |
| Apr 2, 9:04 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 2, 9:12 AM CDT | Severe Thunderstorm Warning | HGX | 33 min |
| Apr 2, 9:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 2, 10:39 AM CDT | Tornado Watch | SPC | 5 hr |
| Apr 2, 12:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 2, 12:38 PM CDT | Special Weather Statement | HGX | 52 min |
| Apr 2, 12:57 PM CDT | Severe Thunderstorm Warning | HGX | 48 min |
| Apr 2, 1:08 PM CDT | Severe Thunderstorm Warning | HGX | 52 min |
| Apr 2, 1:46 PM CDT | River Flood Warning | SHV | 4 days |
| Apr 2, 1:46 PM CDT | River Flood Warning | SHV | 4 days |
| Apr 5, 1:52 AM CDT | Special Weather Statement | HGX | 23 min |
| Apr 10, 2:44 PM CDT | Flash Flood Watch | HGX | 16 hr |
| Apr 10, 11:03 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 11, 2:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 11, 4:16 AM CDT | Special Weather Statement | HGX | 44 min |
| Apr 11, 5:23 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 12, 3:10 AM CDT | Dense Fog Advisory | HGX | 6 hr |
| Apr 16, 4:39 PM CDT | Special Weather Statement | HGX | 51 min |
| Apr 16, 5:18 PM CDT | Special Weather Statement | HGX | 42 min |
| Apr 16, 5:50 PM CDT | Special Weather Statement | HGX | 40 min |
| Apr 17, 5:31 PM CDT | Special Weather Statement | HGX | 44 min |
| Apr 26, 3:52 PM CDT | Special Weather Statement | HGX | 38 min |
| Apr 26, 3:57 PM CDT | Severe Thunderstorm Warning | HGX | 48 min |
| Apr 26, 4:10 PM CDT | Severe Thunderstorm Warning | HGX | 35 min |
| Apr 26, 4:16 PM CDT | Severe Thunderstorm Warning | HGX | 29 min |
| Apr 26, 4:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 26, 4:30 PM CDT | Severe Thunderstorm Warning | HGX | 30 min |
| Apr 26, 4:41 PM CDT | Severe Thunderstorm Warning | HGX | 19 min |
| Apr 26, 4:44 PM CDT | Tornado Watch | SPC | 5 hr |
| May 3, 7:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| May 3, 7:32 AM CDT | Tornado Watch | SPC | 9 hr |
| May 3, 1:32 PM CDT | Special Weather Statement | HGX | 43 min |
| May 3, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 3, 4:55 PM CDT | Severe Thunderstorm Warning | HGX | 50 min |
| May 3, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 3, 5:43 PM CDT | Severe Thunderstorm Warning | HGX | 47 min |
| May 3, 5:47 PM CDT | Severe Thunderstorm Warning | HGX | 43 min |
| May 3, 7:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 11, 1:37 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 11, 7:04 PM CDT | Severe Thunderstorm Warning | HGX | 41 min |
| May 20, 7:50 AM CDT | Special Weather Statement | HGX | 55 min |
| May 20, 8:16 AM CDT | Severe Thunderstorm Warning | HGX | 29 min |
| May 20, 4:51 PM CDT | Special Weather Statement | HGX | 39 min |
| May 20, 5:15 PM CDT | Severe Thunderstorm Warning | HGX | 45 min |
| May 20, 5:51 PM CDT | Severe Thunderstorm Warning | HGX | 24 min |
| May 20, 6:38 PM CDT | Special Weather Statement | HGX | 52 min |
| May 20, 7:34 PM CDT | Special Weather Statement | HGX | 41 min |
| May 20, 7:44 PM CDT | Severe Thunderstorm Warning | HGX | 31 min |
| May 21, 5:04 AM CDT | Special Weather Statement | HGX | 56 min |
| May 22, 10:34 AM CDT | Areal Flood Advisory | HGX | 56 min |
| May 22, 11:31 AM CDT | Areal Flood Advisory | HGX | 59 min |
| May 22, 8:03 PM CDT | River Flood Warning | SHV | 5 days |
| May 23, 3:16 PM CDT | River Flood Warning | SHV | 19 days |
| May 23, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 23, 5:01 PM CDT | Severe Thunderstorm Warning | HGX | 29 min |
| May 28, 3:09 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 28, 6:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 28, 8:11 PM CDT | Special Weather Statement | HGX | 64 min |
| May 28, 9:09 PM CDT | Severe Thunderstorm Warning | HGX | 51 min |
| May 28, 9:14 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| May 29, 9:05 AM CDT | River Flood Warning | SHV | 5 days |
| Jun 3, 8:12 PM CDT | Special Weather Statement | HGX | 48 min |
| Jun 3, 9:08 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jun 24, 10:44 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jul 8, 4:17 PM CDT | Special Weather Statement | HGX | 43 min |
| Jul 8, 4:44 PM CDT | Areal Flood Advisory | HGX | 61 min |
| Jul 9, 2:20 PM CDT | Special Weather Statement | HGX | 40 min |
| Jul 9, 3:31 PM CDT | Special Weather Statement | HGX | 74 min |
| Jul 9, 4:33 PM CDT | Special Weather Statement | HGX | 42 min |
| Jul 9, 5:09 PM CDT | Severe Thunderstorm Warning | HGX | 51 min |
| Jul 10, 5:42 AM CDT | Areal Flood Advisory | HGX | 63 min |
| Jul 14, 10:42 PM CDT | Special Weather Statement | HGX | 63 min |
| Jul 15, 2:33 PM CDT | Special Weather Statement | HGX | 42 min |
| Jul 15, 3:42 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jul 16, 5:20 PM CDT | Special Weather Statement | HGX | 55 min |
| Jul 16, 7:06 PM CDT | Special Weather Statement | HGX | 54 min |
| Jul 24, 4:11 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Jul 24, 4:36 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Jul 24, 5:25 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Jul 24, 7:13 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Jul 24, 9:38 AM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jul 24, 11:47 AM CDT | Areal Flood Advisory | HGX | 58 min |
| Aug 2, 11:22 AM CDT | Areal Flood Advisory | HGX | 53 min |
| Aug 7, 1:52 PM CDT | Special Weather Statement | HGX | 23 min |
| Aug 7, 2:13 PM CDT | Special Weather Statement | HGX | 47 min |
| Aug 7, 2:56 PM CDT | Special Weather Statement | HGX | 34 min |
| Aug 11, 4:19 AM CDT | Heat Advisory | HGX | 15 hr |
| Aug 17, 9:44 AM CDT | Heat Advisory | HGX | 9 hr |
| Aug 23, 6:55 PM CDT | Special Weather Statement | HGX | 50 min |
| Aug 24, 5:24 AM CDT | Flash Flood Watch | HGX | 5 days |
| Aug 26, 1:06 PM CDT | Flash Flood Warning | HGX | 2 hr |
| Aug 26, 3:26 PM CDT | Flash Flood Warning | HGX | 2 hr |
| Aug 27, 3:42 AM CDT | River Flood Warning | SHV | 8 days |
| Aug 27, 9:40 AM CDT | Flash Flood Warning | HGX | 110 min |
| Aug 27, 1:37 PM CDT | Flash Flood Warning | HGX | 18 hr |
| Aug 27, 2:24 PM CDT | Flash Flood Warning | HGX | 11 hr |
| Aug 27, 2:47 PM CDT | River Flood Warning | HGX | 5 days |
| Aug 28, 1:18 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Aug 28, 4:12 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Aug 28, 6:59 AM CDT | Areal Flood Warning | HGX | 6 hr |
| Aug 28, 12:20 PM CDT | River Flood Warning | SHV | 34 hr |
| Aug 28, 12:54 PM CDT | Areal Flood Warning | HGX | 12 hr |
| Aug 29, 3:04 AM CDT | Flood Watch | HGX | 18 min |
| Aug 29, 3:22 AM CDT | Flash Flood Watch | HGX | 22 hr |
| Aug 30, 10:04 AM CDT | Areal Flood Warning | HGX | 24 hr |
| Aug 31, 9:56 AM CDT | Areal Flood Warning | HGX | 24 hr |
| Sep 5, 10:13 PM CDT | Special Weather Statement | HGX | 47 min |
| Sep 22, 6:16 AM CDT | Dense Fog Advisory | HGX | 3 hr |
| Oct 14, 3:01 AM CDT | Dense Fog Advisory | HGX | 7 hr |
| Oct 28, 11:51 PM CDT | Freeze Warning | HGX | 9 hr |
| Nov 15, 7:30 AM CST | Dense Fog Advisory | HGX | 90 min |
| Nov 28, 10:50 PM CST | Dense Fog Advisory | HGX | 12 hr |
| Dec 7, 3:51 PM CST | Freeze Warning | HGX | 17 hr |
| Dec 7, 7:30 PM CST | Winter Weather Advisory | HGX | 14 hr |
| Dec 8, 9:08 PM CST | Hard Freeze Warning | HGX | 11 hr |
| Dec 17, 4:59 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Dec 17, 8:54 PM CST | Dense Fog Advisory | HGX | 11 hr |
| Dec 18, 10:54 PM CST | Dense Fog Advisory | HGX | 13 hr |
| Dec 19, 4:44 PM CST | Mesoscale Discussion | SPC | 61 min |
| Dec 21, 8:20 AM CST | River Flood Warning | SHV | 3 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 29 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 37 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 9 |
| River Flood Warning | 11 |
| Flash Flood Watch | 4 |
| Flood Watch | 2 |
| Areal Flood Advisory | 14 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Hard Freeze Warning | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.